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Comment

my dad installed one and he had me tear it out. he had hot in the cold and had to wait for cold water. the water savings wee minimal. energy savings were none, electricity usage increased, gas usage increased.

either install a point of use or adapt that pump to a dedicated new return line for the hot side only.

Comment

my dad installed one and he had me tear it out. he had hot in the cold and had to wait for cold water. the water savings wee minimal. energy savings were none, electricity usage increased, gas usage increased.

either install a point of use or adapt that pump to a dedicated new return line for the hot side only.

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Never had a complaint about the brief warm water on the cold water side. But I explain it thoroughly beforehand.

I like the Laing the best. Haven't done one in awhile though. Used to be model 303-BTW (I think.) It has a timer AND a thermostat built into it. So you can just put it in, turn it on, and it will come on every so often and keep warm water near. Or you can go timer and make it just run constant at x time. Most would just turn it on and let the thermostat turn it on & off.

Zero complaints or callbacks on the Laing for several years.

Watts distributes one that is exactly like the Grundfos for about 50%+ less. And if you look closely at the blue pump, it says right on it-Made By Grundfos!

I think Metlund makes, or use to make, push button on circulating pumps if that's what you want.

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Is this for you or a customer?
If for you and I believe you are somewhere in semi arid CA, I'd wait until the next official drought where the water co. starts to zing you for any use over a certain benchmark. At least, that's when I'm putting mine in.

Comment

It will. As for me, I'd recommend putting in a model with wireless sensors at the various points of use. It causes a little cycling when it gets a false positive (someone using the shitter, or washing hands with cold only), but no unnecessary extended run time.

BTW Gear, where are you located?

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When I repipe my place im going to put in a pump with an aquastat, the big change for mine will be adding a switch to the bathroom, so it will only come on when I want it on, and even when I leave the switch on it will shut off when it's satisfied, rather than running for all hours, or relying on a timer